Home / 25,247.70-37,825.38-21,300.57

Finding the Fourth Proportional to 25,247.70, 37,825.38 and 21,300.57

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Solution

The fourth proportional to 25,247.70, 37,825.38 and 21,300.57 is: 31,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,247.70 : 37,825.38 = 21,300.57 : x
  2. Step 2: Convert to fraction form
    25,247.70/37,825.38 = 21,300.57/x
  3. Step 3: Cross multiply
    25,247.70x = 37,825.38 × 21,300.57
  4. Step 4: Simplify right side
    25,247.70x = 805,702,154.47
  5. Step 5: Solve for x
    x = 805,702,154.47/25,247.70
  6. Step 6: Final answer
    x = 31,911.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.